后处理器插件方法有点更难于掌握，但是比上下文变量方法更强大。
The post-processor plug-in approach is a bit more difficult to master, but more powerful than the context variable method.
他们认为图书馆技术要比联机检索主题知识更难于掌握。
They rate librarianship skills higher than subject knowledge in on-line searching.
游击队的主动权，在敌人举行数路围攻的场合，是难于掌握和容易丧失的。
When the enemy is making a converging attack from several directions, a guerrilla unit can exercise initiative only with difficulty and can lose it all too easily.
WebSphereBusinessMonitor (Monitor)的用户有时告诉我说，它的事件处理算法非常难于掌握。
Users of WebSphere Business Monitor (Monitor) sometimes tell us that its event processing algorithm is difficult to grasp.
此外有些只能在特定的操作系统下运行，大多数软件设置的参数比较多，一般生物学家往往难于掌握，结果同样的序列用不同的软件得到的结果也不同。
Different software use different algorithms and emphasis, Some only can be used in certain operating system. in addition, the same sequence use different parameters will lead to different results.
此外有些只能在特定的操作系统下运行，大多数软件设置的参数比较多，一般生物学家往往难于掌握，结果同样的序列用不同的软件得到的结果也不同。
Different software use different algorithms and emphasis, Some only can be used in certain operating system. in addition, the same sequence use different parameters will lead to different results.
应用推荐